working commit

pkg/auxtool/randstr.go

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2019 Oleg Borodin  <borodin@unix7.org>
+ */
+
+package auxtool
+
+import (
+	"math/rand"
+)
+
+func RandomString(n int) string {
+	const letters = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	arr := make([]byte, n)
+	for i := range arr {
+		arr[i] = letters[rand.Intn(len(letters))]
+	}
+	return string(arr)
+}